ci: add/update workflow for running renovate

Author: wetransformer

.github/workflows/tf-renovate.yml

@@ -69,6 +69,6 @@ jobs:
           private-key: "${{ secrets.WE_RENOVATE_GITHUB_PRIVATE_KEY }}"
 
       - name: 💡 Self-hosted Renovate
-        uses: renovatebot/github-action@2d941ef4e268e53affdc1f11365c69a73e544f50 # v43.0.14
+        uses: renovatebot/github-action@aec779d4f7845f8431ddf403cf9659d4702ddde0 # v43.0.18
         with:
           token: "${{ steps.app-token.outputs.token }}"